*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
html,body{
	width: 100%;
	height: 100%;
}
a{
	text-decoration: none;
	display: block;
	padding: 10px 0;
}
a:hover{
	background: red;
	color: #fff;
}
.router-link-active{
	background: red;
	color: #fff;
}
.a,.c{
	font-size: 50px;
}
